/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2019 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.tencent.devops.process.engine.service.rule.processor

import org.slf4j.LoggerFactory
import org.springframework.stereotype.Service
import java.lang.reflect.Modifier
import java.util.Calendar

@Service("DefaultCalendarProcessor")
class DefaultCalendarProcessorService : ProcessorService {

    companion object {

        private val logger = LoggerFactory.getLogger(DefaultCalendarProcessorService::class.java)

        private val calendar = Calendar.getInstance()

        @JvmField
        val publicFieldNameMap = getCalendarPublicFieldNameMap()

        @JvmStatic
        private fun getCalendarPublicFieldNameMap(): Map<String, Any?> {
            // 获取Calendar类公共字段集合
            val declaredFields = Calendar::class.java.declaredFields
            val fieldNameMap = mutableMapOf<String, Any?>()
            declaredFields.forEach { field ->
                try {
                    val m = field.modifiers
                    val flag = Modifier.isPublic(m)
                    if (flag) {
                        fieldNameMap[field.name] = field.get(Calendar::class.java)
                    }
                } catch (ingored: Exception) {
                    logger.warn("${field.name} get value error.", ingored)
                }
            }
            return fieldNameMap
        }
    }

    override fun getRuleValue(projectId: String, ruleName: String, pipelineId: String?, buildId: String?): String? {
        val ruleValue = publicFieldNameMap[ruleName]
        return if (ruleValue != null && ruleValue is Int) {
            calendar.get(ruleValue).toString()
        } else {
            null
        }
    }
}
